Kev ceev faj rau PCB board txheej txheem daws teeb meem
1. Splicing txoj kev:
Muaj feem xyuam: zaj duab xis nrog cov kab tsawg dua thiab tsis sib xws ntawm txhua txheej ntawm zaj duab xis;tshwj xeeb tshaj yog tsim rau deformation ntawm solder daim npog qhov ncauj txheej thiab multi-layer PCB board fais fab mov zaj duab xis;tsis siv tau: cov yeeb yaj kiab tsis zoo nrog cov kab siab ceev, kab dav, thiab qhov sib nrug tsawg dua 0.2 hli;
Lus Cim: Txo qhov kev puas tsuaj rau cov hlau thaum txiav, tsis txhob ua kom lub ncoo puas.Thaum splicing thiab duplicating, xyuam xim rau qhov tseeb ntawm qhov kev sib txuas ntawm kev sib txuas.2. Hloov txoj haujlwm ntawm lub qhov:
Muaj feem xyuam: Lub deformation ntawm txhua txheej yog zoo ib yam.Kab-intensive negatives kuj haum rau txoj kev no;Tsis siv tau: zaj duab xis tsis zoo ib yam deformed, thiab lub zos deformation yog tshwj xeeb tshaj yog hnyav.
Nco tseg: Tom qab siv tus programmer kom ntev los yog luv txoj hauj lwm ntawm lub qhov, lub qhov ntawm qhov kev kam rau siab yuav tsum tau pib dua.3. Txoj kev dai:
Siv tau;zaj duab xis uas yog undeformed thiab tiv thaiv distortion tom qab luam;tsis siv: distorted negative film.
Faj seeb: Qhuav zaj duab xis nyob rau hauv ib qho chaw ventilated thiab tsaus nti kom tsis txhob muaj kab mob.Nco ntsoov tias qhov kub thiab txias yog tib yam li qhov kub thiab txias ntawm qhov chaw ua haujlwm.4. Pad sib tshooj txoj kev
Muaj feem xyuam: cov kab kos duab yuav tsum tsis txhob tuab heev, kab dav thiab kab sib nrug ntawm PCB pawg thawj coj saib ntau dua 0.30mm;tsis muaj feem xyuam: tshwj xeeb tshaj yog cov neeg siv tau nruj raws li qhov tshwm sim ntawm lub rooj tsav xwm luam tawm;
Nco tseg: Cov ntaub qhwv yog oval tom qab sib tshooj, thiab lub halo nyob ib ncig ntawm cov npoo ntawm cov kab thiab cov ntaub qhwv tau yooj yim deformed.5. Txoj kev yees duab
Muaj feem xyuam: Lub deformation piv ntawm zaj duab xis nyob rau hauv qhov ntev thiab dav cov lus qhia yog tib yam.Thaum lub rooj tsavxwm rov ua dua tshiab tsis yooj yim siv, tsuas yog siv cov nyiaj ntsev zaj duab xis xwb.Tsis siv tau: Cov yeeb yaj kiab muaj qhov sib txawv ntev thiab dav deformations.
Nco tseg: Lub hom phiaj yuav tsum muaj tseeb thaum tua kom tsis txhob muaj kab sib txawv.Qhov poob ntawm cov yeeb yaj kiab yog loj heev.Feem ntau, ntau qhov kev hloov kho yuav tsum tau ua kom tau txais kev txaus siab PCB Circuit Court qauv.